Valve.



PATENTED AUG. 14, 1906. H. E. WARREN. VALVE.

AYPLIOATION FILED my .1905.

W/T VEEEEZ I [PA/ENTER:

in 12% wfi UNTTED STATE FATENT @FFTQE. HENRY n WARREN, or niiwron, MASSACHUSETTS. ASSIGNQR To run ori/ream) eovaanoa COMPANY, or ASHLAND, MASSACHUSETTS, A coarosarron or new JERSEY.

[van/E.

No. 828,832. Specification of Letters Fatent. Patented Aug. 114, 1906f A Application mea'ua 24,1905. Serial No. 262.045.

To all whom it may concern: these ports may be varied by turning the .45 Be it known that I, HENRY E. WARREN, a part A upon the part A at the screw-joint citizen of the United States of America, and a and the amount of the lapiof the coacting a resident of Newton, in the county of Midcut-E edges of the valve may be adjusted dlesex and State of Massachusetts, have inthereby, making it more or less sensitive to vented certain new and useful Improvements linear displacement by the action. of a speed- 5o 7 in Valves, of which the followingis a spec1figovernor or other mechanism. a I cation. The construction shown in Fig. 1, wherein The lnvention relates to valves; and it theports in the stationary member are adconsists in a construction by which the lap justable in relation to each other by moving of the two portions, which may betermed the one part of the case upon the other, is most 5 5' movable sliding member and the convenient, and'this may be accomphshe stationary member, 1s made adjustable to by applyinga wrench externally to the part compensate for wear of the overlapping sur A an turning it even while the valve is in faces. This adjustability may be contained use. For the purpose of determining accueither in the stationary member or in the rately the amount of such adjustment a sliding member, and preferably the congraduated scale or gage 9 upon the part A struction should be such that the adjust- 1s provided'with a'superposed finger atment can be efiected without taking the tached to thepart A, as shown in 'g. 2. valve from'its pos'tion or removing the slid- The sliding member of the valve is balanced in member from the stationary member. b making one or more passages d longituthe drawings, Figure 1 is a central londinally throu h the central portion thereof. gitudinal section of the entire valve, illus- A check-nut may be employedto lock the trating the adjustable construction of the slid-' parts A A after they have been adjusted. ing member. Fig. 2 is a detail showing a I claimgage upon the exterior of the case to indicate 1. In 'a valve, a two-part casing with an]? the amount of adjustment which has been induction-port in each part, which arts are made in the stationary member.- adapted to be moved longitudina 1y upon Referring to the drawings, the valve-case one another to adjust the 'stance between is made in two parts A A, made adjustable said iorts. longitudinally-upon one another by the screw- 2. joint a. One port p is contained in' the between the ports to var the lap beyond the part A and another port p in the part A. coacting cut-off edges 0 the movable memhese two parts are what constitute the staher which controls the ports. tionary member of the valve, and in the cen- 3. In a valve, means to adjust the distance tral chamber within this stationary member between the ports to va the lap beyond .the 80 is the usual sliding member B, carried by coacting cut-ofi edges -0 the movable mem-' the valve-stem C. The middle portion of berw 'ch controls the ports, and a gage upon the sliding .member is reduced in diameter the exterior of the valve-case to indicate the at b, and the longitudinal extent of this reamount of linear cficgllgitudmal ad stment.

duced ortion 'wil determine the amount of lap of t e endportions thereof over the orts Witnesses:

. As the port 12 is in the part A an the R. L. ROBERTS,

port p in the part A, the distance between F. A. COLLINS.

Y W BEN.

11 a-valve, means to adjust-thedistance- 

